[Linux] CentOS7使用源码包方式安装python3.9

「爱情、让人受尽委屈。」 2022-08-28 10:56 170阅读 0赞

**1.安装依赖包**

yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make libffi-devel

**2.下载Python3.9的源码包，并上传至待安装的环境**

[Python Release Python 3.9.6 | Python.org][Python Release Python 3.9.6 _ Python.org]

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAd3lfaGh4eA_size_20_color_FFFFFF_t_70_g_se_x_16][]

**3.解压源码包**

cd /srv/Python396/
    tar -xzvf Python-3.9.6.tgz

**4.配置安装位置**

[root@vm-1 Python396]# cd Python-3.9.6/
    [root@vm-1 Python-3.9.6]# ./configure prefix=/usr/local/python3

**5.构建和安装**

make && make install

最后会有个添加环境变量的提示

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAd3lfaGh4eA_size_20_color_FFFFFF_t_70_g_se_x_16 1][]

执行python3找不到命令

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAd3lfaGh4eA_size_20_color_FFFFFF_t_70_g_se_x_16 2][]

**  6.添加环境变量至PATH**

[root@vm-1 bin]# echo $PATH
    /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin
    [root@vm-1 bin]# export PATH="/usr/local/python3/bin":$PATH
    [root@vm-1 bin]# echo $PATH
    /usr/local/python3/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin
    [root@vm-1 bin]#

为当前用户永久添加环境变量

[root@vm-1 bin]# vim ~/.bashrc
    
    ---------------------------------
    添加如下行
    
    export PATH="/usr/local/python3/bin":$PATH
    
    ---------------------------------
    [root@vm-1 bin]# source ~/.bashrc

现在可以直接执行python3了

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAd3lfaGh4eA_size_20_color_FFFFFF_t_70_g_se_x_16 3][]

参考资料：linux安装python3.9 https://blog.csdn.net/cowbin2012/article/details/109465795

[Python Release Python 3.9.6 _ Python.org]: https://www.python.org/downloads/release/python-396/
[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAd3lfaGh4eA_size_20_color_FFFFFF_t_70_g_se_x_16]: /images/20220828/95e9c97d4b304d5b8947c2c0ea63b2ef.png
[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAd3lfaGh4eA_size_20_color_FFFFFF_t_70_g_se_x_16 1]: /images/20220828/abba445cf46b4644b5e13b595bcd904f.png
[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAd3lfaGh4eA_size_20_color_FFFFFF_t_70_g_se_x_16 2]: /images/20220828/6cab2653bb7847a3b320ae8e8ca7b6f5.png
[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAd3lfaGh4eA_size_20_color_FFFFFF_t_70_g_se_x_16 3]: /images/20220828/d76f0ca5fc184a4e824b540ee04deac5.png